.my-header{
    background-color: red;
    height: .44rem;
    text-align: center;
    line-height:.44rem;
    

}
.my-header input{
    width: 3rem;
    height: .28rem;
   border: none;
   border-radius: .05rem;
}
.my-header span{
    margin-left: .1rem;
    color: #fff;
}